details |
Late Llandoverian |
Early Wenlockian |
Indiana |
Wood,G.D. Paleoecologic and biostratigraphic significance of chitinozoans and microplankton from the Lower Silurian Osgood Member of the Salamonite Dolomite, Indiana and Kentucky, USA. |
1988 |
details |
Late Llandoverian |
Early Wenlockian |
Kentucky |
Wood,G.D. Paleoecologic and biostratigraphic significance of chitinozoans and microplankton from the Lower Silurian Osgood Member of the Salamonite Dolomite, Indiana and Kentucky, USA. |
1988 |
details |
Llandoverian |
Wenlockian |
Paraguay |
Wood,G.D. et al. Chitinozoans and microplankton from the Silurian Vargas Pena Shale, (Itacurubi Group) Chaco Basin, Paraguay. |
1988 |
details |
Ludlovian |
|
Indiana |
Wood,G.D. Acritarchs and Trilete spores from the Mississinewa Shale of northern Indiana. |
1975 |
details |
Tremadocian |
|
Spain |
Wolf,R. Acritarchs of the Tremadocian Keltiberien (northeast Spain). |
1980 |
details |
Missourian |
|
Oklahoma |
Wilson,L.R. et al. A paleoecological interpretation of the Francis Shale Formation, (Missourian), based upon palynology and Invertebrate paleontolty. |
1981 |
details |
Desmoinesian |
|
Oklahoma |
Wilson,L.R. A preliminary assessment of palynomorph stratigraphy in Morrow and Atoka rocks of the Quachita Mountains, Oklahoma. |
1976 |
details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
details |
Early Cenomanian |
|
Switzerland |
Weidmann,M. Summary palynological analysis of the "Complexe Schisteux Intermediaire" (Synclinal of Gruyere, Prealpes Medianes). |
1963 |
details |
Late Riphean |
Vendian |
Antarctica |
Weber,B. Microfossils in Proterozoic sediments from the Southern Shackle range, Antarctica: A preliminary report |
1991 |
details |
Hettangian |
Pliensbachian |
England(Somerset) |
Warrington,G. Appendix 4. (In: Geology of the Country around Weston Super-Mare. A. Whittaker and G.W. Green, authors) |
1983 |
details |
Late Proterozoic |
|
China(Yunnan) |
Wang,F. Sinian microfossils from South-West China. |
1981 |
details |
Late Precambrian |
Early Cambrian |
China(Szechwan) |
Wang,F. et al. New discovery of Baltisphaeridium |
1984 |
details |
Sinian |
Early Cambrian |
China(Kweichow) |
Wang,F. et al. New material of microbial fossils from Sinian-Cambrian age sediments in Abazhai-Qingzhen and Wuhe-Taijiang, Guizhou Province. (In: The Upper Precambrian and Sinian-Cambrian boundary in Guizhou) |
1984 |
details |
Late Neogene |
|
USSR(Siberia) |
Volkova,V.S. et al. Palynological evidence for the stratigraphic subdivision and correlation of Continental Paleogene and Neogene Depoits of Southern West Siberia and North Kazakhstan. |
1980 |
details |
Early Cambrian |
|
USSR(Estonian SSR) |
Volkova,N.A. Acritarchs of the Precambrian and Lower Cambrian deposits of Estonia. (In: Problems related to the boundary layers of the Riphean and Cambrian of the Russian Platform, the Urals and Kazakhstan -By-N.A.Volkova et al) |
1968 |
details |
Vendian |
Early Cambrian |
USSR(Irkutskaya Oblast) |
Volkova,N.A. et al. Discussion of "Upper Mothian acritarchs of the Irkutsk Basin" by N.G.Pykhova |
1976 |